【答案】计算机专业英语阅读y 过程性评测(5)【参考答案】

判断题:13道,每道2分,总分26 1.DOSisamultitaskingoperatingsystem. 正确 错误 2.Theinstructionsofgeneral-purposetransfersareMOV,PUSH,POP,andXCHG. 正确 错误 3.Aprocessorcandoeverythingwithoutaprogramtoprovidecontrol. 正确 错误 4.AnarrayinFORTRANdoesnothavethesamesymbolicformasasimplevariable. 正确 错误 5.Theheartofanycomputersystemisthecentralprocessingunit(CPU). 正确 错误 6.Yourcomputerusestwotypesofmemory:primarymemoryandsecondarymemory. 正确 错误 7.Onlyafewbugscantroubleaprogram. 正确 错误 8.Planningisthefirststepindesigningandcreatingaprofessional-lookingdocument. 正确 错误 9.Assoonasyouturnthecomputeroff,thecontentsofRAMwilldisappear. 正确 错误 10.AllloopsareDOloops. 正确 错误 11.Thepossiblesymbolsinthebinarynumberingsystemare0to9. 正确 错误 12.Programswerethoughtofasaseriesofprocedures. 正确 错误 13.Everymemorylocationhastwokindsofaddresses,physicalandlogical. 正确 错误 单选题:20道,每道3分,总分60 1.Softwaredevelopmentbeginsatthesystemlevelandprogressesthrough(),design,coding,testing,andmaintenance. execution analysis computation management 2.Thepopularoutputdevicesusedforpersonalcomputerare(). scanner mouse keyboard displayscreenanddesktopprinters 3.SinceRAMisonlyactivewhenthecomputerison,yourcomputerusesdisktostoreinformationevenwhenthecomputerisoff.Whichofthefollowingistrue?（） Whenyourcomputerison,onlyRAMisusedtostoreinformation. Whenyourcomputerison,onlydiskdrivesareusedtostoreinformation. Whenyourcomputerisoff,onlyRAMisusedtostoreinformation. Whenyourcomputerisoff,onlydiskdrivesareusedtostoreinformation. 4.Memoryholdsdataandinstructionswhiletheyare()bytheCPU. beingprocessed processed havingbeenprocessed processing 5.Inordertostorehugeamountsofinformation,weneed(). aharddiskonly afloppydiskonly aCD-ROM bothfloppyandharddisks 6.（）languageissimilartomachinelanguage. Fortran PASCAL Assembly Source 7.Inputandoutputdevicesreferto(). keyborad,mouse,monitor,printer,variousdisksandallthesetranslatinglanguagesbetweenthecomputerandtheuser suchhardwarethatprovidesaninterfacebetweentheuserandthecomputer,suchasthekeyboard,mouse,monitor,printerandsoon storagedevices,monitor,keyboard,mouse,printer,scanner,etc datareadytobeprocessedbythesystemunitandinformationreadytobeprovidedtotheuser 8.Primarymemorywhichisstoredonchipslocated(). onthemotherboard outside insidetheprocessor ontheCPU 9.Themaximumnumberofdatathatcanbeexpressedby8bitsis（）. 64 128 255 256 10.Whenacomputeristurnedon,aseriesofinstructionsstoredinROMcalledthe()issuethecommandstoloadtheoperatingsystemintomainmemory. languagetranslator bootroutine utility interruptprogram 11.（）：Alocationwheredatacanbetemporarilystored. Area Disk Buffer File 12.Afloatingconstantconsistsofanintegerpart,adecimalpoint,afractionpart,aneorE,andanoptionallysignedinteger（）. exponent order superfluous superior 13.Thepersonalcomputeror（）isthesmallestgeneral-purposecomputer. terminal minicomputer microcomputer workstation 14.Inthesecondgenerationofcomputers,()replacedvacuumtubes. CPU transistors integratedcircuits mechanicalmemory 15.（）controlstheoperationofthecomputerandperformsit＇sdataprocessingfunctions. CPU Disk Memory I/O 16.Thecomputersystemhardwareiscomposedof(). hardwarelikeCPU,memory,inputandoutputdevices,andsoftwareliketheoperatingsystem avarietyofhardwarelikeCPU,memory,inputandoutputdevices,secondarystoragedevices,etc systemunit,inputandoutputdevices,secondarystoragedevicesandROM RAM,ROM,microprocessor,CPU,inputandoutputdevicesanddiskdrives 17.Astackprotocolcanbeusedfor(). subroutinecalls operationofarithmeticexpressions removingthelatestelementinserted removingtheearliestelementinserted 18.Theset{120,-12,0.12,1.2}mightbeconsideredas(). fourdatavaluesthataresomehownon-related fourdistinctcomponentvaluesthataresomehowrelated asingledatavalue asethavingfourmembers 19.Thebasicunitofmeasureinacomputersystemisthe（）.Itisthesmallestunitincomputing.Therearesomeothermeasuresinacomputer,suchasKilobyte,Megabyte,Gigabyteandsoon. Kilobyte Bit Gigabyte Megabyte 20.The8086canaccessupto()bytesofmemoryandupto()inputoroutputports. 100000,65000 1000000,65000 10000,6500 1000000,6500 多选题:7道,每道2分,总分14多选题:7道,每道2分,总分14 1.Aprocessoriscomposedof(). acontrolunit logicunit anarithmetic Registers 2.FORTRANdistinguishesbetweentwotypesfonumericdata:()and(). integer variables real operators 3.The8086hasfoursetsofregisters.Theyaregeneralregisters,(),()and(). pointerandindexregisters theinstructionpointer segmentregisters theinstructionregisters 4.8086CPUexecutesainstructionincludesthesteps:() writetheresult(ifnecessary) readanoperand(ifnecessary) executetheinstruction fetchthenextinstructionfrommemory 5.AselectionstructurebeginswiththeIF…THENstatement,andterminateswiththe()statement.Inthemiddleofthestructureis(). STOP ENDIF ELSE GO 6.Acharacterisasingle(),()or(). letter space digit symbol 7.Inputdevicesinclude:(). thekeyboard touchscreen themouse microphone